Copyright for dh-cargo source package in Nile V2.0

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: dh-cargo
Source: 
#
# Please double check copyright with the licensecheck(1) command.

Files:     cargo-auto-test
           cargo.pm
           dh-cargo-built-using
           dh-cargo-vendored-sources
Copyright: __NO_COPYRIGHT_NOR_LICENSE__
License:   __NO_COPYRIGHT_NOR_LICENSE__

#----------------------------------------------------------------------------
# Files marked as NO_LICENSE_TEXT_FOUND may be covered by the following
# license/copyright files.